in·dis·cer·ni·ble /ˌɪndɪˈsɜːnəbəl◂ $ -ɜːr-/ adjectiveadj CLEAR/EASY TO SEEvery difficult to see, hear, or notice 难以看到的；难以听见的；难以察觉的 The path was almost indiscernible in the mist. 迷雾中小路依稀难辨。
indiscernible• The crack in the windshield was almost indiscernible.• Her nod was indiscernible, with no appeal as to what and whom Ezra wanted to talk about.