How to say they feared being overheard. in Japanese
1)
彼ら彼ら(karera) (n,adj-no) those/theyはは(ha) (int) indicating a subject/yes/indeed/well/ha!/what?/huh?/sigh立ち聞き立ち聞き(tachigiki) (n,vs) eavesdroppingされるされる(sareru) (v1) honorific or passive form of the verb "suru"のの(no) (prt) indicates possessive/nominalizes verbs and adjectives/substitutes for "ga" in subordinate phrases/indicates a confident conclusion/ indicates emotional emphasis/indicates questionをを(wo) (prt) indicates direct object of action/indicates subject of causative expression/indicates an area traversed/indicates time over which action takes place/indicates point of departure or separation of action/indicates object of desire, like, hate,恐れ恐れ(osore) (n) fear/horror/anxiety/concern/uneasinessたた(ta) (aux-v) indicate past completed or action/indicates light imperative。。(。) Japanese period "."
