work at something. phrasal verb with work verb uk / wɜːk / us / wɝːk /. Add to word list. Add to word list. B2. to try hard to achieve something: …
Per what you said, "work at" can be replaced by"work for" , and vise versa. So there is no difference at all between the two? For example, " I …
B2. to try hard to achieve something. 致力於…；在…上下功夫. Most couples would agree that for a marriage to succeed, both parties …
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