cream of the crop: the best of the best

→ Our company only interviews the cream of the crop from the top universities.

work like a dog: work very hard

→ He wanted to make a good impression on his boss, so he worked like a dog to finish the report early.

get the job done: accomplish what needs to be done

→ Mrs. Robinson could always rely on Ramon to get the job done when others were having trouble.

all in a day’s work: just a normal part of the job

→ Dealing with angry customers is all in a day’s work for people who work in the mall.

put your best foot forward: do your very best at something

→ When you arrive at your new job, it’s a good idea to put your best foot forward and be helpful and friendly to all your co-workers.