insincere; faithless; disloyal
- 言動から彼の不実さは分かる
- I can perceive the insincerity in his speech and actions./I can see that he is insincere in what he says and does.
- 不実な夫[妻]
- 「an unfaithful [a faithless] husband [wife]
- 友達に対して不実なことをしてはいけない
- 「Don't betray [You mustn't be disloyal to] your friend.