弄明白

She puzzled over the postmark on the letter.

她想弄明白信封上的邮戳。

He quickly tumbled to our plan.

他很快就弄明白了们的。

It beats me how he can afford a new car on his salary.

弄不明白靠他那点儿工资他怎么能买得起新车。

Tipstaff surrounded the two pilots who were arrested to cross-question for about 2 hours;finally, it would be found that's false alarm.

当飞机安全降落后，执法人员将两名机人围住，并对他们进行将近两小时的盘问后，才弄明白这是一场虚惊。

All night I have been tossing and turning racking my brains to think what could have possessed the young man to kill himself.

整整一晚辗, 绞尽脑汁, 想弄明白是什么原因竟能促成这个年轻人自杀。