这件事成了导火索。
Zhè jiàn shì chéng le dǎohuǒsuǒ.
English
This matter became the trigger.
fuse
fuse (for explosive)
Every character draws itself stroke by stroke, then hands you the brush to trace it yourself.
Nice writing!
这件事成了导火索。
Zhè jiàn shì chéng le dǎohuǒsuǒ.
This matter became the trigger.
导火索已经点燃了。
Dǎohuǒsuǒ yǐjīng diǎnrán le.
The fuse has been lit.
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.