幸亏‘xīngkuī’ (fortunately; luckily): The adverb expresses the meaning that the situation described by the sentence is judged to be fortunate or lucky:
Xìngkuī nà chǎng dàyǔ, bǎ shānhuǒ jiāomiè le.
(Fortunately, it rained heavily, thus the wild fire was put out.)
 Loar, J. K. (2011). Chinese syntactic grammar: functional and conceptual principles. New York: Peter Lang.