on the part of

US /ɑːn ðə pɑːrt ʌv/
UK /ɑːn ðə pɑːrt ʌv/
"on the part of" picture
1.

di pihak, oleh

done or experienced by (someone)

:
There was a lack of enthusiasm on the part of the students.
Terdapat kekurangan semangat di pihak pelajar.
This decision requires careful consideration on the part of management.
Keputusan ini memerlukan pertimbangan teliti di pihak pengurusan.