come out of your shell
US /kʌm aʊt əv jʊər ʃɛl/
UK /kʌm aʊt əv jʊər ʃɛl/

1.
殻を破る, 社交的になる
to become less shy and more sociable
:
•
After a few weeks at college, she really started to come out of her shell.
大学で数週間過ごした後、彼女は本当に殻を破り始めた。
•
It took him a while to come out of his shell and make new friends.
彼が殻を破って新しい友達を作るのに時間がかかった。