雇用临时工越来越贵了。It became increasingly expensive to hire casual workers.他在我们这里做临时工。He works for us on an occasional basis.为应付圣诞节期间的业务而招聘的临时工seasonal workers brought in to cope with the Christmas period...

“临时工”的英语可以翻译为：casual，temporary，[经] casual laborer，casual worker，floate...