It is impolite to keep others waiting for a long time.

让别人久等是不礼貌的。

youdao

Edelstein: I think that for a long time she felt connected to House and protected him and admired him, and was able to keep it at a professional level, even though I think they always had chemistry.

答：我觉得很长时间她觉得和豪斯之间有某种关系，她保护他喜欢他，就算他们之间有某种化学反应，她也能把这种关系保持在职业范围之内。

youdao

This one is harder to approach. It is something you keep chewing on and taste for a long time.

这一次则难于捉摸，是那种你要长久地不断咀嚼品味的东西。

youdao

Desperate for cash, Harvard Management went to outside money managers begging for a return of money it had expected to keep parked away for a long time.

FORBES: Magazine Article

She plans to keep the bungalow as it is for a long time.

WSJ: A Songwriter's Surf Hideaway

That went against our plan to keep this system around for a long time and eventually place it in our AV rack as a dedicated PVR and file server.

ENGADGET: How-To: Build a practical HTPC