ad.

1. 大多數地，大部分地；主要地
   Lizards live mostly in warm climates.

   蜥蜴主要生長在氣候溫暖的地方。

   The audience consisted mostly of women.

   觀眾多數是婦女。

2. 一般地，通常
   We are mostly out on Sundays.

   星期天我們一般不在家。

adv.

1. as regards the greater part or number.
2. usually.