Lesson 1
今日の (kyou-no) = today's (きょうの)
夕飯 (yuu-han) = dinner (ゆうはん)
お弁当 (o-ben-tou) = lunchbox/boxed lunch/bento (おべんとう)
全然 (zen-zen) = not at all (ぜんぜん)
おいしくないです (o-i-shi-ku-na-i-de-su) = it is not delicious/tasty, it doesn't taste good
おいしくないですか?(o-i-shi-ku-na-i-de-su-ka) = isn't it delicious/doesn't it taste good?
Lesson 2
果物 (kuda-mono) = fruit (くだもの)
塩 (shio) = salt (しお)
いかがですか?(i-ka-ga-de-su-ka) = would you like/how is it?
Lesson 3
醤油 (shou-yu) = soy sauce (しょうゆ)
砂糖 (sa-tou) = sugar (さとう)
多いです (oo-i-de-su) = a lot / many / much (おおい)
結構 (ke-kkou) = quite (けっこう)
結構です (ke-kkou-de-su) = thanks, -literally: 'fine as it is already': to politely refuse something [1] (けっこうです)
Lesson 4
食べ物 (ta-be-mono) = food (たべもの)
飲み物 (no-mi-mono) = drink / something to drink / drinks/ beverages (noun) (のみもの)
にしますか?(ni-shi-ma-su-ka) = would you like?
Lesson 5
お酒 (o-sake) = alcohol (おさけ)
牛乳 (gyuu-nyuu) = milk/some milk (ぎゅうにゅう)
飲みません (no-mi-ma-se-n) = do not/don't drink (のみません)
多くないです (oo-ku-na-i-de-su) = it/there is not much/not a lot, there aren't many (おおくないです)
まったく (ma-tta-ku) = (there is) no 'x' at all/(there is) none at all, none whatsoever, absolutely none
まったく多くないです (ma-tta-ku-oo-ku-na-i-de-su) = not much at all
Lesson 6
とても (to-te-mo) = very
少ない (suku-na-i) = little/not much (すくない)
コーヒー (koo-hii) = coffee
ラーメン (raa-men) = ramen
カレー (ka-ree) = curry
全部 (zen-bu) = all of them (ぜんぶ)
Lesson 7
大変 (tai-hen) = very (たいへん)
あまり = not much / not very much
紅茶 (kou-cha) = black tea (こうちゃ)
ジュース (jyuu-su) = juice
ミント (mi-n-to) = mint
カフェ (ka-fe) = cafe
好きではありません (suki-de-wa-a-ri-ma-se-n) = I don't like (すきではありません)
References
Japanese Skill:Food 2 | Duolingo Wiki | Fandom