忍不住的英文：
unable to bear

参考例句：

I couldn't help smiling as I watched him trot down the alley.
注视着它小跑着走下小径，我忍不住微笑起来。

I couldn't resist a parting shot: "I wish you could live long!"
临走时我忍不住说了一句气话:＂愿你能永远活着．"

He made such a cornball marriage proposal that the girl laughed out loud.
他那多愁善感的求婚方式，让那女孩忍不住大声地笑了出来。

To many readers the novel is so meaningful and interesting that they cannot help reading it again and again.
对那些读者来说，这部小说是如此的有趣而且有意义，以致于他们忍不住一遍又一遍地阅读它

Sharents are mums and dads who compulsively post pictures and blog, tweet etc about their offspring.
Sharents就是那些忍不住在博客、微博上发布自家孩子照片或近况的父母，我们称之为“分享父母”。

Be impatient with;be short-tempered about;be tired of
忍不住某人

Burst into laughter; start laughing
忍不住笑出来

He could hardly keep his gravity.
他忍不住要笑出来。

beyond [ past ] endurance
忍不住,不可耐,忍无可忍

He could not restrain himself from peeping.
他忍不住窥视。

unable是什么意思：
adj. 不能的；无能力的

The white people are unable to isolate the black.
白人不能孤立黑人。

The chemicals are unable to resolve completely in the solution.
那些化学物质无法在溶液里完全分解。

He was starkly unable to achieve coherence.
他完全不能达到一致。

The jury are unable to reach a unanimous decision.
陪审团未能达成意见一致的裁决。

Are you unable to discharge your duties as housekeeper?
你还是卸不下你管家的职责吗？

bear是什么意思：
v. 承受；忍受；生小孩；容许
n. 熊

"Bearing up , bearing up . "
马马虎虎。

They censused the bear in the forest.
他们统计调查森林中熊的数量。

To bear hard upon;press.
使痛苦不堪对某人施加困难；逼迫

The evidence has no immediate bearing on the case.
该证据与本案无直接关系。

They bear you no ill will.
他们对你并无恶意。