secretly; in a sneaky way
秘密で; 狡猾な方法で (himitsu de; kōkatsu na hōhō de)
"He met her on the sly without telling anyone."
"彼は誰にも言わずに秘密で彼女に会った。" (Kare wa dare ni mo iwazu ni **himitsu de** kanojo ni atta.)
To believe in someone's honesty or ability
to remain calm and not get too emotional
a plan or situation that suddenly goes wrong and causes trou...
to do something extremely well or successfully
to dismiss something or someone as unimportant
to be physically fit and healthy