keep back

keep back
留下；隐瞒；保留；阻止
At last, the girl leaved and the boy keep back.
最后，这个女孩走了，而这个男孩留下了。
She tried to keep back her tears.
她试图抑制住眼泪。
Millions of gallons of water are kept back by the dam.
这个堤坝拦住了滔滔的洪水。
I'm sure she's keeping something back (from us).
我肯定她(向我们)隐瞒什么。
Barricades were erected to keep back the crowds.
设置了障碍以隔开人群。
She was unable to keep back her tears.
她无法忍住泪水。