Yesterday – phrases

English	Chinese
A heavy frost of yesterday blasted vegetation	昨天的一场严霜令植被枯萎
My parents undertook yesterday to give me a present on the Christmas Day	父母昨天答应圣诞节送给我一个礼物
The boiler was fully charged with coal yesterday evening	锅炉昨晚加满了煤
The demonstration yesterday exploded into a riot	昨天的游行示威很快转为暴乱
The lawyer was primed by a witness at court yesterday	昨天证人在法庭上向律师提供详细信息