nadir
🇺🇸
/ˈneɪdɪr/
🇬🇧
/ˈneɪdɪə(r)/
The lowest point or the most difficult part of something.
The nadir of her career was when she lost her job unexpectedly.
彼女のキャリアの最低点は、予期せずに仕事を失った時でした。