Dictionary / Vocabulary / 請け負う
うけおう
to contract; to undertake; to take over; to take responsibility for
common word Also written 請負う
彼はこのすべての仕事をただで請け負った。
He has taken all this work for nothing.
彼がまじめなことは私が請け負います。
I can assure you of his earnestness.