mọi người giúp mình mẫu này với, những chữ in đỏ là mình không hiểu, đọan dưới hầu như không hiểu gì cả, mong mọi người giúp đỡ, cảm ơn mọi người trước
BODY

With straight needles, cast on 20 sts. Knit 1 rows.
Row 1 (RS): K2, place marker, k16, place marker, k2.
Row 2: K2, p16, k2. From here, work in St, keeping 2 sts at each end in Garter St.
Row 3 (Inc Row): K2, sl marker, M1k, k to next marker, M1k, sl marker, k2 – 22 sts. Rep this inc every 4th row 3 times more – 28 sts. Work even until piece measures 2 3/4” from beg, end on WS.
Buttonband: Next Row (RS): Cast on 3 sts, k to marker, sl marker, k to end – 31 sts.
Following Row (WS): Cast on 3 sts, k to marker, sl marker, p5, join another ball of yarn and bind off 1 st, p until there are 12 sts on RH needle after bound-off st, join another ball of yarn and p to last marker, k to end – 10 sts for each front and 12 sts for back. Working all sections at once, keeping 5 sts at each front edge in Garter St and remaining sts in St st, work even until armholes measure 3/4”, end on WS.
Shape Front Neck:Bind off 5 sts at beg of the next 2 rows, dropping markers – 5 sts for each front and 12 sts for back. Working all sts in St st, dec 1 st at each end (front neck edges) every RS row twice – 3 sts for each front and 12 sts for back. Work even if necessary until armholes measure 1 1/4”, end on WS. Bind off all sts. Sew shoulder seams.

SLEEVES

With RS facing, using dpn’s, beg at underarm, pick up and k12 sts around entire armhole. Divide sts onto 3 dpn’s (4 sts per needle). Mark for beg of rnd and carry marker up. Work even in St st (k EVERY rnd) for 1 1/4”. Purl 1 row. Knit 1 row. Bind off.

FINISHING

Lap right buttonband over left buttonband and sew button in center.