蹭热度

(coll.) (often derog.) to piggyback on (sb's) popularity / to exploit (sb's) popularity to attract attention to oneself

to rub against / to walk slowly / (coll.) to freeload

to warm up / to heat up / hot (of weather) / heat / fervent

level of heat / (fig.) zeal / fervor / (coll.) a temperature (i.e. abnormally high body heat)

to pass / to spend (time) / measure / limit / extent / degree of intensity / degree (angles, temperature etc) / kilowatt-hour / classifier for events and occurrences

to estimate / Taiwan pr. [duo4]