Meaning of chèn:
chèn
趁
Verb
to avail oneself of; to take advantage of; old variant of 趁[chen4]
Wǒmen yīnggāi chèn xiànzài tiānqì hǎo chūqù wán.
我们应该趁现在天气好出去玩。
We should take advantage of the good weather to go out and have fun.
Wǒmen yīnggāi chèn zhège jīhuì xuéxí xīn jìnéng.
我们应该趁这个机会学习新技能。
We should take advantage of this opportunity to learn new skills.
Wǒmen yīnggāi hǎohǎo chèn niánqīng xuéxí.
我们应该好好趁年轻学习。
We should take advantage of being young to study well.