a shy person who avoids social activities
内気で社交的な活動を避ける人 (uchiki de shakouteki na katsudou o sakeru hito)
"She used to be a wallflower, but now she’s more confident."
"彼女は以前ウォールフラワーでしたが、今はもっと自信があります" (kanojo wa izen wallflower deshita ga, ima wa motto jishin ga arimasu)
By being truthful, you can avoid trouble and feel liberated.
to find the real cause of a problem
a person who has foresight and imagination
to gradually work on something to achieve a result
do whatever makes you happy or interested
unusual; different from the norm