to find out the real cause or truth behind something
何かの裏にある本当の原因や真実を見つける (nanika no ura ni aru honto no genin ya shinjitsu o mitsukeru)
"The detective worked hard to get to the bottom of things."
"探偵は一生懸命働いて物事の真相を突き止めた。" (tantei wa isshokenmei hataraite monogoto no shinsou o tsukitometa)
to avoid someone or something
to form new friendships
to accept something calmly without being upset
to show kindness and affection to others
To do something very risky or dangerous.
to remove unwanted parts from a mix