确保 + Clause
The verb 确保 (quèbǎo) means 'to ensure' or 'to guarantee.' It is used when emphasizing that something must definitely happen or be achieved. For example, 确保每个人都能参加 means 'ensure that everyone can participate.'
出门前确保窗户都关好了。
Chūmén qián quèbǎo chuānghù dōu guān hǎo le.
Make sure all the windows are closed before going out.
我们必须确保明天的会议顺利进行。
Wǒmen bìxū quèbǎo míngtiān de huìyì shùnlì jìnxíng.
We must ensure that tomorrow's meeting goes smoothly.
老师确保每个学生都听懂了。
Lǎoshī quèbǎo měi gè xuéshēng dōu tīngdǒng le.
The teacher made sure every student understood.
出门前确保窗户都关好了。
Chūmén qián quèbǎo chuānghu dōu guān hǎo le.
Make sure all the windows are closed before going out.
我们必须确保明天的会议顺利进行。
Wǒmen bìxū quèbǎo míngtiān de huìyì shùnlì jìnxíng.
We must ensure that tomorrow's meeting goes smoothly.
老师确保每个学生都听懂了。
Lǎoshī quèbǎo měi ge xuéshēng dōu tīngdǒng le.
The teacher made sure every student understood.