The rain spring Ngau Tau, seven seven forty-nine days of sorrow.

雨淋春牛头，七七四十九天愁。

youdao

Nine days before the encirclement was complete, a special train of forty-three wagons had arrived from Oels.

包围的九天前被完成时，一个特殊的火车的马车已经到了43从互相联系的。

youdao

He had flown around the world in seven days, eighteen hours and forty-nine minutes.

VOA: special.2009.03.18

Chickens, for instance, never see daylight, but are mostly kept in long, dark, stifling sheds where they stand in their own waste, fatted with corn until they are slaughtered, in a mere forty-nine days.

NEWYORKER: Food, Inc.

Forty-nine days until this election.

WHITEHOUSE: Remarks by the President at Campaign Event -- 40/40 Club