undisciplined
🇺🇸
/ˌʌnˈdɪsəplɪnd/
🇬🇧
/ˌʌnˈdɪsəplɪnd/
adjective
R
Lacking self-control or order; behaving poorly
The teacher was frustrated with the undisciplined behavior of the students during class.
老師對學生們在課堂上的無紀律行為感到沮喪。
translation
無紀律