1) They have very busy lives.
他们一生劳碌。
3) They earn their living by manual labo(u)r.
他们靠劳动谋生。
4) to toil half a lifetime
碌碌半生
5) Running about
奔忙劳碌
6) They are short of labor power.
他们缺乏劳动力。
补充资料:他们
1.代词。称自己和对方以外的若干人。
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