[zhǎn kāi]
（張開） develop; spread; spread out; unfold; open up; unwind; amplify; decoil; development; expansion; explosion; evolution; stretching; fanning
unfold a picture scroll
展開畫桿
（大規模地進行） launch; unfold; develop; carry out
unfold an offensive
展開攻勢
launch an emulation drive
展開競賽