-----------------------------------
きっと， キッと， 屹度， 急度
1. surely, undoubtedly, almost certainly, most likely (e.g. 90 percent)
2. sternly, severely
3. having no slack, rigid, stiff, tight
4. suddenly, abruptly, instantly
肯定、毋庸置疑、几乎肯定、最有可能(如90%，或者至少80%，主观上希望如此)
