Like have translators translate "in {language}" into their language, so the widget pops up when you type that in any language, not just English.
In google, I can type "Mikrofon på Spansk" (Danish for "microphone in spanish") and their translation widget pops up:
Whereas in kagi it needs to be in english, and not danish.
Below is a picture of the search not working in danish:
And here it's working in english:
