HSK 6
Zhèbù diànshìjù qián jǐ jí hěn jīngcǎi, hòumiàn què hǔtóu-shéwěi.
The first few episodes of this series were great, but it fizzled out toward the end.
HSK 7-9
Zuò shìqing bùnéng hǔtóu-shéwěi, yào shànshǐ-shànzhōng.
Don't start strong and fizzle out - see things through from beginning to end.
