fill with: 充满
When we inhale , our lungs fill with air , which press the diaphragm downward.
当我们吸气时，我们的肺会充满空气，空气会把隔膜往下压。
The caisson would fill with oil from the leak.
沉箱将装满泄露处的原油。

win back: 重新获得，赢得
Htc's one is the company's best chance to win back market share.
HTC One是宏达电赢回市场份额的最好机会。
Booksellers are labouring to raise their profile online and win back the customers they have lost.
为了赢回失去的顾客，各大书店正在提升自己在网上的认知度。

get through: 度过，熬过
So, the only way you get through is by helping each other.
而要渡过难关的唯一方法就是互相帮助。