to suddenly start smiling widely
突然に広く笑い出す (totsuzen ni hiroku warai dasu)
"When she saw the surprise gift, she burst out smiling."
"サプライズギフトを見たとき、彼女は突然大きく笑い出した。" (Sapuraizu gifuto o mita toki, kanojo wa totsuzen ōkiku warai dashita.)
to finally agree to something after refusing for some time
to suddenly start laughing or crying due to surprise or emot...
to gain control of another company through acquisition
to pause or stop doing something temporarily
to suddenly start crying
to deal successfully with a difficult situation or challenge