oar
noun
ɔː noun
1 a long pole with a wide flat blade at one end, used for rowing a boat 橹,桨;
2
put/stick/get your oar in
to get involved in a conversation or situation when the other people do not want you to 【英,非正式】 多嘴,插嘴; 插手,多管闲事 BrE informal
We were getting along fine until you stuck your oar in.
你掺和进来之前我们一直相处得很好。