accidentally on purpose
US /ˌæksɪˈdɛntəli ɒn ˈpɜrpəs/
UK /ˌæksɪˈdɛntəli ɒn ˈpɜrpəs/

1.
假裝不小心, 故意地裝作偶然
doing something intentionally but making it seem like an accident
:
•
She accidentally on purpose spilled coffee on his new shirt.
她假裝不小心把咖啡灑在他的新襯衫上。
•
He left the door unlocked accidentally on purpose, hoping she would come in.
他假裝不小心沒鎖門,希望她能進來。