an inexperienced sailor; a sailor on the first voyage
同义词：lubberlandsman
英汉双解大词典
landlubber/ˈlændˌlʌbə/(landlubbers)
1.
N-COUNT（可数名词）
A landlubber is someone who is not used to or does not like travelling by boat, and has little knowledge of boats and the sea. 不习惯航海的人; 不谙航海的人; 旱鸭子 [老式]