be a hard/stern/tough taskmasterFORCE somebody TO DO somethingto force people to work very hard 是一个严厉的监工be a hard/stern/tough taskmaster• True to his word, he schooled her in horsemanship and was a hard taskmaster.• She was a hard taskmaster but a considerably fairer one than la Belle Ethel.• If self-employment is any guide, the dejobbed worker is likely to be a stern taskmaster.
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