tide

潮の満ち引き、潮汐

主に月の引力で、海面が規則的に上がったり下がったりすること。

やさしい英語で： The regular rise and fall of the sea, mainly caused by the pull of the moon.

• The tide is coming in.
• We walked across the sand at low tide.
• High tides flooded the road last night.

よく使う表現： high tide, low tide, incoming tide

流れ、潮流、風潮

出来事、感情、世論などの大きな動きや変化。

やさしい英語で： A strong movement or change in events, feelings, or public opinion.

• The tide of public opinion is changing.
• Her speech helped turn the tide.
• They struggled against a rising tide of opposition.

使い方： a tide of something (A tide of anger followed the announcement.); the tide turns against someone/something (The tide turned against the government after the scandal.)

類義語： trend, current, wave

よく使う表現： tide of opinion, turn the tide, rising tide

潮流

潮の満ち引きによって、海水が岸へ向かったり沖へ流れたりすること。

やさしい英語で： The movement of sea water towards or away from the shore.

• The tide carried the boat towards shore.
• We watched leaves float away on the tide.
• The incoming tide brought rubbish onto the beach.

類義語： current

よく使う表現： incoming tide, outgoing tide, on the tide

時期、季節

特に宗教的な祝祭の頃を指す、一定の期間や季節。

やさしい英語で： A period of time or a season, especially around a religious celebration.

• The village held a feast at Whitsun tide.
• They sang together during Christmas tide.
• The bells marked the arrival of Easter tide.

類義語： season, period

よく使う表現： Whitsun tide, Easter tide, Christmas tide

潮汐

別の天体の引力で、惑星の形が繰り返し変わること。

やさしい英語で： A repeated change in a planet's shape caused by the pull of another object in space.

• The moon also causes a tide in the land.
• Scientists measured small tides in Earth's crust.
• An atmospheric tide changes air pressure at regular intervals.

よく使う表現： land tide, atmospheric tide, solid earth tide