The thief tried to burrow a narrow path downward.
小偷試圖朝下挖出一條窄窄的通道。
Prices are tending upward [ downward].
物價趨漲[降]。
Downward movement is much faster than upward one.
向下移動比向上移動快得多。
He had a physical strength that matched his outward appearance.
他的體力與他的外形相稱。
Mark showed no outward signs of distress.
馬克在外表上沒有現出沮喪的神色來。