zuó / wǎn / méi / shuì / hǎo / wǒ / zài / huì / yì / shàng / rěn / bu / zhù / dǎ / hē / qiàn昨晚没睡好,我在会议上忍不住打呵欠。I did not sleep well last night, so I could not help yawning during the meeting.