We mustn't do this. It's too risky.
Balancing a cup on your knee is dangerous, son. It can fall to the ground and break.
This message confirms that he will come.
When the ground is wet, it's easy to slip.
Entu, why did you break your sister's plate?
At first Jake was clumsy and wasn't able to balance on a branch.
Dripping water pierces a stone. (That is, persistent effort can accomplish unexpected and amazing things.)
It's raining and water is dripping through the roof.