HSK 7-9
猛然
měngrán副
suddenly; abruptly
她猛然想起钥匙还在桌上。
Tā měngrán xiǎngqǐ yàoshi hái zài zhuōshàng.
She suddenly remembered that her keys were still on the table.
Say it
Hold the button, say it, then let go.
Other HSK words sharing a character
Also free:
Appears across levels (7-9) in the HSK 3.0 word list.