diff --git a/i18n/hak.json b/i18n/hak.json
index 44c9dd9d..1bcc505b 100644
--- a/i18n/hak.json
+++ b/i18n/hak.json
@@ -4,5 +4,8 @@
 			"Hakka"
 		]
 	},
-	"pfunc_expr_missing_operand": "Péu-tha̍t-sṳt chhâ-chho: Khiet-séu  $1 ke yun-son-ngièn."
+	"pfunc_expr_unrecognised_word": "Péu-tha̍t-sṳt chho-ngu: mò-fap ngin-sṳt ke sṳ \"$1\".",
+	"pfunc_expr_unexpected_operator": "Péu-tha̍t-sṳt chhâ-chho: Yi-khì chṳ̂-ngoi ke $1 yun-son-chṳ́.",
+	"pfunc_expr_missing_operand": "Péu-tha̍t-sṳt chhâ-chho: Khiet-séu  $1 ke yun-son-ngièn.",
+	"pfunc_expr_unrecognised_punctuation": "Péu-tha̍t-sṳt chho-ngu: mò-fap ngin-sṳt ke phiêu-tiám fù-ho \"$1\"."
 }