名詞 fair-weather:

1. moderate weather; suitable for outdoor activities
   同義詞：fair weather, sunshine, temperateness

fair-weath.er

adj.（形容詞）
Suitable or used only during fair weather:
只適于好天氣的：適合于好天氣的，在好天氣間做的：
例句：
fair-weather hiking gear.
適于好天氣遠(yuǎn)足的工具

Present and dependable only in good times:
只適于順利時(shí)候的：只在好的時(shí)候出現(xiàn)或可信賴的：
例句：
fair-weather friends.
只能共安樂的朋友