on the part of
US /ɑːn ðə pɑːrt ʌv/
UK /ɑːn ðə pɑːrt ʌv/

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.