Sometimes they can push parents to desperate lengths.有時可能逼得父母鋌而走險

push to推向

My aspirations push me to work harder every day.

我的抱負讓我每天要努力工作。

Don't push me to use the last stance.

別逼我用絕招。

These pelicans are among the heaviest flying birds in the world,weighing up to 10 kilos.這些鵜鶘是世上最笨重的飛鳥最多重達十公斤

weigh up估量

You should weigh up the situation.

你應該估量一下形勢。

A pineapple can weigh up to 10 kilograms.

波羅蜜果實的重量可大于10公斤。

but a shortage of food supplies has forced them to look elsewhere.但食物供應短缺，它們只得到別處覓食

be forced to被迫(不得不)

The truck was forced to lie by for repairs.

卡車不得不停下來修理。

The enemy was forced to retreat.

敵人被迫撤退。