面对难题的时候，不要着急，先冷静想一想。

Miànduì nántí de shíhou, búyào zhāojí, xiān lěngjìng xiǎng yì xiǎng.

When facing a difficult problem, don’t panic; calm down and think first.

学外语对有些人来说是难题，对有些人来说却是乐趣。

Xué wàiyǔ duì yǒuxiē rén láishuō shì nántí, duì yǒuxiē rén láishuō què shì lèqù.

Learning a foreign language is a difficult task for some people, but a pleasure for others.

对孩子来说，早起不是难题，是习惯。

Duì háizi láishuō, zǎoqǐ bú shì nántí, shì xíguàn.

For children, getting up early is not a difficulty, it's a habit.