1. She behaved unbecomingly at the party, embarrassing herself in front of everyone.
パーティーで不適切な行動をとって、みんなの前で恥をかいた。

2. He spoke unbecomingly to his boss, risking his job in the process.
上司に対して不適切な発言をして、仕事を危険にさらした。

3. The actress was criticized for dressing unbecomingly at the award ceremony.
女優は授賞式で不適切な服装をしたことで批判された。

4. The politician's behavior was unbecomingly aggressive during the debate.
政治家の振る舞いは討論中に不適切に攻撃的だった。

5. She laughed unbecomingly loud at the funeral, causing discomfort to the other mourners.
彼女は葬儀で不適切に大声で笑い、他の弔問者に不快感を与えた。

6. The student's unbecomingly casual attitude towards his studies led to a decline in his grades.
学生の勉強に対する不適切なゆるい態度が成績の低下につながった。