our soldiers take great pains in saving the survivors in the quake为什么填pains

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oursoldierstakegreatpainsinsavingthesurvivorsinthequake为什么填painsoursoldierstakegreatpainsinsavingthe

our soldiers take great pains in saving the survivors in the quake为什么填pains
our soldiers take great pains in saving the survivors in the quake
为什么填pains

our soldiers take great pains in saving the survivors in the quake为什么填pains
习惯用语,take pains:费尽力气,煞费苦心,尽力设法
另,以下含义是用复数:
[pl.]辛苦,劳苦; 努力,费心
[pl.]分娩阵痛

take pains in doing是固定词组,表示“努力做...”

我们的战士们在救援地震时的幸存者时收到了很多的痛苦

pain
[pein]
n.
痛苦, 疼, 痛, 劳苦, 努力
vt.
使痛苦
因为soldiers为复数所以pain也为复