I didn't have the heart to erase her number.

我没勇气删除她的电话号。

To do what he doesn't have the stomach for.

是想让你完成他没勇气做的事。

Tracking my spending on chocolate, though, helped me realize that I was afraid of facing myself in the mirror, literally and figuratively, and that I lack the courage to deal with the real problem, my diet.

追踪自己买巧克力的情况我了解到，我不敢面对镜子里的自己，实际上是、譬喻上也是，我没勇气面对真正的问：习惯。

She dreaded to tell Melanie the truth but one of her rare honest instincts arose, an instinct that would not let her masquerade in false colors before the woman who had fought her battles for her.

她没勇气将真实的情况告诉媚兰，可是她的一种少有的诚实本能却出来作怪。这种本能不让她在一个曾经为她战斗过的女人面前用虚假的色彩来伪装自己。