留意的英文：
be careful
be mindfull

参考例句：

I'll keep my eyes on.
我会留意的

Keep your eyes skinned for a campsite!
留意找个宿营地!

Lack of heed or attention;disregard.
不留心，玩忽不留意，不注意;不在意

"Notice other plants growing along the transect line including grasses, lichens, epiphytes and herbs."
留意其它生长在样条附近的植物,如藻、地衣、附生植物、草等。

Look out for special deals.
留意特价。

I'll keep my eyes open.
我会留意的

Take heed of my advice.
留意我的忠告。

Watch out for; be on the lookout for
守望;警戒;留意;防备

Give [pay] heed to...
注意…,对…加以注意[留意]

Look out for a sign to the motorway.
留意通往高速公路的路标.

careful是什么意思：
adj. 小心的，仔细的，周密的，谨慎的；节约的

Have you heard the CARE？
你听说过美国援外汇款合作组织吗？

not care a hoot
1.毫不在乎

Be careful of the instruments.
别损坏仪器。

Take care of the pence and the pounds will take care of themselves
积少成多

Few know and few care.
很少有人知道，也很少有人关心。