in very good health
とても健康である (totemo kenkou de aru)
"My grandfather is 80 but he’s fit as a fiddle."
"祖父は80歳ですが、とても健康です。" (sofu wa hachijussai desu ga totemo kenkou desu)
to try something without knowing the result
Loyal and trustworthy.
to trust or rely on someone or something
to show others how to do something by demonstrating it yours...
showing strong jealousy
to prepare everything for something to happen