get a word in edgewise
US /ɡɛt ə wɜrd ɪn ˈɛdʒˌwaɪz/
UK /ɡɛt ə wɜrd ɪn ˈɛdʒˌwaɪz/

1.
插话, 插嘴
to be able to say something in a conversation where someone else is talking a lot and not allowing others to speak
:
•
She talks so much that it's impossible to get a word in edgewise.
她话太多了,根本插不进话。
•
I tried to explain, but he wouldn't let me get a word in edgewise.
我试图解释,但他不让我插话。