• 火(fire)
• 因(cause; reason)

Smoke rises from fire for some reason.

• 雨(rain)
• 务(work; task)

Mist and fog like a hazy curtain of rain veil the morning sky.

• 弓(bow (weapon))
• 单(single; one)

Using a bow to shoot one bullet at a time is the essence of elastic release.

• 火(fire)
• 因(cause; reason)

Smoke rises from fire for some reason.

• 雨(rain)
• 务(work; task)

Mist and fog like a hazy curtain of rain veil the morning sky.

• 弓(bow (weapon))
• 单(single; one)

Using a bow to shoot one bullet at a time is the essence of elastic release.