nadir
US
UK nadir n: (astronomy: point directly below) (天文学)
SC 天底 tiān dǐ
The Sun is at its nadir at midnight.
nadir n: figurative (lowest point) (比喻)
SC 最低点，至低点 zuì dī diǎn，zhì dī diǎn
TC 最低點
TC 最低點
The loss of his job and his wife marked the nadir of his life.