self-confidence

US /ˌselfˈkɑːnfɪdəns/
UK /ˌselfˈkɑːnfɪdəns/
"self-confidence" picture
1.

自信

a feeling of trust in one's abilities, qualities, and judgment

:
Her self-confidence grew with each success.
彼女の自信は成功するたびに増していった。
He lacked the self-confidence to speak in public.
彼には人前で話す自信がなかった。