英语语法分析

Instead, engineers twiddle, update, and overhaul.

相反，工程师们只是调整，更新，或者检修。

He is a fop, he never been serious about any girls but twiddle with them.

他是一个花花公子。他到处玩弄感情，从没对哪个女孩子认真过。

Sometimes they have nothing to do in the office and just sit twiddle their thumb.

有时候办公室里无事可做，他们就坐着无聊地打发时间。