phrase
B2
used to strongly say 'no' or 'not'
"Did you find it difficult?" "Not at all."
“你觉得难吗？” “一点也不。”
B1
used as a polite response to thanks
"Thank you for your help." "Not at all."
“谢谢你的帮助。” “不客气。”
translation
一点也不, 不用谢