心に誓う
Expression
Godan
1
expressions (phrasesGodan verb with 'u' ending
to vow to oneself;to promise oneself
誓う
Common
Godan
Transitive
1
Godan verb with 'u' endingtransitive verb
to swear;to vow;to take an oath;to pledge
君は聖書に手をのせて誓うべきだ。
You should swear on the Bible.
Other forms
盟う 【ちかう】