"on your best behavior" in Chinese (Simplified)

表现得最好举止得体

Definition

以最有礼貌、最得体或最恰当的方式表现自己，通常是想留下好印象或遵守重要规定。

多用于父母、老师或正式场合，用于鼓励某人极力遵守规则、表现得特别有礼貌。强调比平时更用心。成年人与儿童都可用，如面试、重要场合、见重要人物时。

Please be on your best behavior at the dinner tonight.

今晚晚餐时请你**表现得最好**。

The teacher asked the students to be on their best behavior during the field trip.

老师要求学生在校外活动时**表现得最好**。

When you meet the principal, be on your best behavior.

见校长时要**举止得体**。

Grandma’s coming over, so try to be on your best behavior, okay?

奶奶要来，记得**表现得最好**，好吗？

He was on his best behavior at the interview, hoping to get the job.

他在面试时**举止得体**，希望能获得这份工作。

The kids promised to be on their best behavior at the wedding, but they still managed to spill juice everywhere.

孩子们答应婚礼上要**表现得最好**，但还是把果汁撒得到处都是。