adj.業(yè)余的；不熟練的
I used to be a amateurish astronomer using the telescope to observe stars. 我以前是業(yè)余的天文家，用望遠(yuǎn)鏡觀察星星。
Detectives described the burglary as crude and amateurish. 偵探稱這次夜盜是拙劣的生手干的。
