中等

medium; fair; senior; moderate; average; middle; intermediate; middling; secondary; the middle

收入

income; earnings; revenue; takings; receipts; salary; wages; pay; remuneration; stipend; emolument; gainings; earn; take in; collect; receive; gather; bring in; pay cheque

陷阱

trap; snare; mesh; pitfall; ambush; entrapment; morass; booby trap; noose