乐于助人

The helpful colleague provided constructive feedback during the meeting.

这位乐于助的同事在会议中提供了建设性反馈。

On the surface she can be very pleasant and helpful, but underneath she’s got problems.

表面上亲切乐于助，可实际上也有难题。

She was unfailingly courteous and helpful.

无论什么时候都彬彬有礼，乐于助。

She’s always helpful and complaisant.

总是殷勤,乐于助。