opportune
adj
(fml 文)
1 (of time) suitable or favourable for a purpose (指时间)合适的, 恰好的, 适宜的
arrive at an opportune moment 来得正好.
2 (of an action or event) done or coming at the right time (指行动或事情)适时的, 及时的
an opportune remark, statement, intervention, etc 合时宜的言词、 言语、 干预等
Your arrival was most opportune. 你来得真是时候.
That sounds like a good idea. I have a few friends I could ring to see if they're free.
听起来是个好主意。我可以打电话给我的几个朋友看看他们是否有空。
It took him some time to connect the long rubber pipe to the air supply pipe that ran round the port, but at last it was done and as a result work was able to progress much faster.