为了不被一个问题牵制太久，他给自己设定了时间限制。

Wèile bù bèi yí gè wèntí qiānzhì tài jiǔ, tā gěi zìjǐ shèdìng le shíjiān xiànzhì.

In order not to be held back by one question for too long, he set a time limit for himself.

家庭和工作的责任常常相互牵制。

Jiātíng hé gōngzuò de zérèn chángcháng xiānghù qiānzhì.

Family and work responsibilities often restrict each other.