ad.
- 在下;向下As we flew over the mountains we could see that there were snowy peaks beneath.
我們飛過群山時看到了底下被雪覆蓋著的山巔。
 - (地位等)較低;較劣
 
prep.
- 在……之下;向……下面The sun is now beneath the horizon.
太陽此刻落到地平線下了。
 - (地位等)低於;劣於He is beneath his brother intellectually.
他在智力方面不如他兄弟。
 - 對……不適合(或不值得)He considered that job beneath him.
他認為做那個工作有失他的身分。
 - 在……影響下
 

