心情低落時，一些表達心情低落的英文小語有：
* How are you feeling today? (你今天感覺怎么樣？)
* Down in the dumps. (情緒低落。)
* Feeling blue. (感到憂鬱。)
* Low in spirits. (情緒低落。)
* Blues. (心情鬱悶。)
* Low. (情緒低落。)
* Down in the dumps again. (又情緒低落了。)
另外，還有一些表示鼓勵和安慰的英文小語：
* Keep your chin up. (抬起下巴，振作精神。)
* Don't give up. (不要放棄。)
* Keep going. (繼續前進。)
* Don't lose heart. (不要灰心。)
希望這些小語可以幫到你，如果需要更多幫助，請隨時告訴我。