Isaiah 38:14

“Like a crane, or a swallow, so did I chatter, &c.] Rather, “like a crane and a swallow”, like both; sometimes loud and clamorous, like a cranef742, when the pain was very acute and grievous; and sometimes very low, through weakness of body, like the twittering of a swallow; or the moan he made under his affliction was like the mournful voices of these birds at certain times. Some think he refers to his prayers, which were quick and short, and expressed not with articulate words, but in groans and cries; at least were not regular and orderly, but interrupted, and scarce intelligible, like the chattering of the birds mentioned: I did mourn as a dove; silently and patiently, within himself, for…”

“Rather, "Like a swallow, or a crane" (from a root; "to disturb the water," a bird frequenting the water) [MAURER], (Jer 8:7). chatter--twitter: broken sounds expressive of pain. dove--called by the Arabs the daughter of mourning, from its plaintive note (Isa 59:11). looking upward--to God for relief. undertake for--literally, "be surety for" me; assure me that I shall be restored (Psa 119:122).”

“Like a crane - The word used here (סוּס sûs) usually denotes a horse. The rabbis render it here ‘a crane.’ Gesenius translates it ‘a swallow;’ and in his Lexicon interprets the word which is translated ‘a swallow’ (עגוּר 'āgûr) to mean “circling,” making gyrations; and the whole phrase, ‘as the circling swallow.’ The Syriac renders this, ‘As the chattering swallow.’ The Vulgate, ‘As the young of the swallow.’ The Septuagint simply reads: ‘As the swallow.’ That two birds are intended here, or that some fowl is denoted by the word עגוּר 'āgûr, is manifest from Jeremiah 8:7, where it is mentioned as distinct from the סוּס sûs (the crane) ועגוּר וסוּס vesûs ve‛āgûr. On the meaning of…”

“a crane: Job 30:29; Psa 102:4-7 I did mourn: Isa 59:11; Eze 7:16; Nah 2:7 mine eyes: Psa 69:3, Psa 119:82, Psa 119:123, Psa 123:1-4; Lam 4:17 I am: Psa 119:122, Psa 143:7 undertake for me: or, ease me Isaiah 38:15”