threa 成语

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a common thread

an idea or theme that is similar to others There's a common thread in most of Berton's stories.

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hang by a thread

be in doubt, depend on a very small thing The outcome of the election hung by a thread until the last two or three hours.

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threads

clothes, glad rags, rags Hey, Lucy. Nice threads! I love your jacket.

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hang by a a thread

depend on a very small thing；be in doubt千钧一发；处于紧急关头；安危未定
He has lost so much blood that his life hangs by a thread．他失血过多，生命垂危。
For three days he was so sick that his life hung by a thread．他病危，3天，真是命若游丝。
His life hung by a hair，but the doctors managed to revive him．他生命垂危，但医生们设法把他救了过来。

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hang by a hair/a thread

depend on a very small thing；be in doubt千钧一发；处于紧急关头；安危未定
He has lost so much blood that his life hangs by a thread．他失血过多，生命垂危。
For three days he was so sick that his life hung by a thread．他病危，3天，真是命若游丝。
His life hung by a hair，but the doctors managed to revive him．他生命垂危，但医生们设法把他救了过来。

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hang by a hair thread

depend on a very small thing；be in doubt千钧一发；处于紧急关头；安危未定
He has lost so much blood that his life hangs by a thread．他失血过多，生命垂危。
For three days he was so sick that his life hung by a thread．他病危，3天，真是命若游丝。
His life hung by a hair，but the doctors managed to revive him．他生命垂危，但医生们设法把他救了过来。

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hang by a thread|hang|hang by a hair|thread

v. phr. To depend on a very small thing; be in doubt. For three days Tom was so sick that his life hung by a thread. As Joe got ready to kick a field goal, the result of the game hung by a hair.
Compare: HANG IN THE BALANCE.

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set of new threads|set|thread|threads

n. phr. New men's suit. "Nice set of new threads'" Ed said, when he saw Dave in his new tailor-made outfit.

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triple threat|threat|triple

n. A football player who is able to pass, kick, and run all very well. The triple threat halfback was the star of the team.

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by a thread

by a thread
see hang by a thread.

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lose the thread

lose the thread
Cease to follow the sense of what is said. For example, It was such a long story that I soon lost the thread. This expression uses thread in the sense of “something that connects the various points of a narrative.” [Mid-1900s]

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thread

thread
see hang by a thread; lose the thread.

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threat

threat
see triple threat.

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triple threat

triple threat
A person who is adept in three areas, as in She's a triple threat on the editorial staff—she can edit, write, and design pages. This term comes from football, where it signifies a player who is good at running, passing, and kicking. [c. 1920] Also see hat trick.