. "NAN"^^ . "slog"@en-us . . "0.00418006"^^ . "work doggedly or persistently; \"She keeps plugging away at her dissertation\""@en-us . . . "keep one's nose to the grindstone"@en-us . . . . "peg away"@en-us . "plug away"@en-us . "202342586"@en-us . "0"^^ . "0.293537"^^ . "keep one's shoulder to the wheel"@en-us . "0.0836387"^^ . . "plug away"^^ . . . . . "02415573-v"^^ . "0.0717306"^^ . "0.138003"^^ . "0.408911"^^ . "0.0"^^ . . "0"^^ . "202415573"^^ .