悲(かな)し()く()て() kanashikute彼(かの)女(じょ) kanojoは wa突(とつ)然(ぜん) totsuzen泣(な)き()出(だ)し()た() nakidashita。 She was so sad that she suddenly burst into tears. Literal Sad [then-て] she [topic-は] suddenly cried-out. 悲しくて links the emotional state (cause) to the crying (result) via the te-form of the i-adjective. 泣き出した uses ~出す ('to burst out doing'). sadnessemotions~て form (chaining)
悲(かな)し()く()て() kanashikute彼(かの)女(じょ) kanojoは wa突(とつ)然(ぜん) totsuzen泣(な)き()出(だ)し()た() nakidashita。 She was so sad that she suddenly burst into tears. Literal Sad [then-て] she [topic-は] suddenly cried-out. 悲しくて links the emotional state (cause) to the crying (result) via the te-form of the i-adjective. 泣き出した uses ~出す ('to burst out doing'). sadnessemotions~て form (chaining)