USP Idiom

above suspicion

beyond doubt无可置疑
His conduct is above suspicion．他的行为是无可置疑的。

under a cloud of suspicion

Idiom(s): under a cloud (of suspicion)

Theme: SUSPICION

to be suspected of (doing) something.
• Someone stole some money at work, and now everyone is under a cloud of suspicion.
• Even the manager is under a cloud.

under the auspices of

Idiom(s): under the aegis of someone AND under the auspices of someone

Theme: CONTROL

under the sponsorship of someone or some group; under the control or monitoring of someone or some group.
• The entire project fell under the aegis of Thomas.
• The entire program is under the auspices of Acme-Global Paper Co., Inc.

Belt and suspenders

(USA) Someone who wears belt and suspenders is very cautious and takes no risks.

Cloud of suspicion

If a cloud of suspicion hangs over an individual, it means that they are not believed or are distrusted.

above suspicion|above|suspicion

adj. phr. Too good to be suspected; not likely to do wrong. The umpire in the game must be above suspicion of supporting one side over the other.

cusp

cusp
on the cusp
1) Astrol. at or during a cusp (sense )
2) at or during a time of transition, as the moment of or just before a major change or event

suspicion

suspicion
see above suspicion.