Japanese phrase
___が冷めています。 ___ ga sa me te i ma su
Meaning
___ has gone cold.
When to use it
Reports that a food or drink has lost its warmth. The wording is polite and indirect, so it can describe a problem without sounding strongly critical.
Example dialogue
お茶が冷めています。 o cha ga sa me te i ma su
The tea has gone cold.
入れ直しましょうか？ i re nao shi ma shō ka
Shall I make it again?