This is the 988th most frequent Vietnamese word.
hô
"To shout" or "to call out."
In this sentence, "hô" means to call out or shout, often used in emergencies.
Anh ta hét to hô cấp cứu.
He shouted loudly, calling for emergency help.
Here, "hô" refers to chanting or calling out slogans collectively.
Những người dân hô khẩu hiệu trong buổi diễu hành.
The people chanted slogans during the parade.
In this context, "hô" is used to mean instructing or commanding attention.