开卸 meaning in Chinese

start(commence) discharging
startdischarging
start（commence）discharging

I will send her , then , as soon as possible , mr . brocklehurst ; for , i assure you , i feel anxious to be relieved of a responsibility that was becoming too irksome
“既然这样，我会尽快送她来的，布罗克赫斯特先生，因为说实在，我急于开卸掉这付令人厌烦的担子呢。 ”
" i will send her , then , as soon as possible , mr . brocklehurst ; for , i assure you , i feel anxious to be relieved of a responsibility that was becoming too irksome .
“既然这样，我会尽快送她来的，布罗克赫斯特先生，因为说实在，我急于开卸掉这付令人厌烦的担子呢。 ”