承擔責任、負責崗位 (to be responsible for; to bear the responsibility)
動詞用例
呢個責任我擔當唔起。
ni1 go3 zaak3 jam6 ngo5 daam1 dong1 m4 hei2.
I can't bear this responsibility.
擔任某個角色 (to play a role (in something))
用例
唔好以為自己冇用,其實你擔當緊好重要嘅角色。
m4 hou2 ji5 wai4 zi6 gei2 mou5 jung6, kei4 sat6 nei5 daam1 dong1 gan2 hou2 zung6 jiu3 ge3 gok3 sik1
Don't assume you're useless. You actually have an important role to play.