It's funny that I've treated the tumescent bump on my arm as a cowry these two days and for fear that something may be wrong.

有趣的是，这两天我一直把胳膊上隆起的肿块当作宝贝一样对待，生怕有个什么问题。

Sometimes we are not satisfied with what our friend do, but we will not point it out for fear that we might lose that friend.

有时我们对朋友的所作所为并不满意，但我们不会指出来，因为我们害怕失去那个朋友。

He worked hard for fear that he might be fired by the boss.

他拼命地干活惟恐被老板解雇。

This may be for fear that they will be mistreated.

这可能是担心他们回国后将受到虐待。

for fear that NOT doing so might upset NATO arrangements.

唯恐不这么做会打乱NATO的安排。